(a) Enumerate four economic importance of rocks: (i) to man; (ii) in agriculture. (b) State two characteristics of each of the following (1) igneous rock (ii) metamorphic rock. (c) Describe the mode of formation of sedimentary rocks.

(a) Explain the following terms as used in crop production: (i) floriculture; (ii) taungya farming; (iii) ley farming. (b) State eight uses of ornamental plants to man. (c) Mention four fibre crops grown in your country.

(a) Define pasture.

(b) List three features of natural pastures.

(c) A piece of land to be used to establish a pasture of Stylosanthes gracilis was surveyed to be circular.

(i) If the radius of the land is 200m and the spacing of the pasture legume is lm by 50cm, what is the population of the legume at one seed per stand?

(ii) If the germination percentage is 75, calculate the expected plant population. (iii) Give two ways in which Stylosanthes gracilis is important in agricultural production.

(a) Explain four of the following management practices in animal production: (i) steaming up; (ii) culling; (iii) candling; (iv) tattooing; (vi) creep feeding. (b) List five signs of heat in animals. (c) Mention three reasons for castrating farm animals

Discuss the effects of temperature on: (a) brooding of chicks; (b) reproduction in livestock; (c) milk production; (d) egg production.